Which season and episode does this dance between Zeng Xiaoxian and Hu Yifei in Love Apartment take place?

Love Apartment 3 Episode 4

This is a Miracle (Part 1)

Meijia and Ziqiao designed to lock Xiaoxian and Yifei together. He wanted Xiaoxian to confess to Yifei, but unexpectedly the two were locked together. Yuyou's efforts were not in vain, Sekiya opened up the crux of his heart, and "Mario" finally walked out of Sekiya's world. Youyou takes on a new Qing Dynasty drama, but accidentally offends the tyrant "Brother Lei". Yifei introduced Meijia to a job of entering students' scores, but as soon as Meijia saw the computer, she became addicted to the Internet again, and she stained the score sheet with black ink.